EP0337156A3 - Die spring construction - Google Patents

Die spring construction Download PDF

Info

Publication number
EP0337156A3
EP0337156A3 EP89104858A EP89104858A EP0337156A3 EP 0337156 A3 EP0337156 A3 EP 0337156A3 EP 89104858 A EP89104858 A EP 89104858A EP 89104858 A EP89104858 A EP 89104858A EP 0337156 A3 EP0337156 A3 EP 0337156A3
Authority
EP
European Patent Office
Prior art keywords
spring construction
die spring
die
construction
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89104858A
Other versions
EP0337156B1 (en
EP0337156A2 (en
Inventor
Jack D. Ecktman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Publication of EP0337156A2 publication Critical patent/EP0337156A2/en
Publication of EP0337156A3 publication Critical patent/EP0337156A3/en
Application granted granted Critical
Publication of EP0337156B1 publication Critical patent/EP0337156B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02—Die-cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
    • F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/0436—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by being contained in a generally closed space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Fluid-Damping Devices (AREA)
  • Diaphragms And Bellows (AREA)
EP89104858A 1988-04-15 1989-03-18 Die spring construction Expired - Lifetime EP0337156B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/181,807 US4844429A (en) 1986-11-10 1988-04-15 Die spring construction
US181807 1988-04-15

Publications (3)

Publication Number Publication Date
EP0337156A2 EP0337156A2 (en) 1989-10-18
EP0337156A3 true EP0337156A3 (en) 1990-07-18
EP0337156B1 EP0337156B1 (en) 1994-03-02

Family

ID=22665895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89104858A Expired - Lifetime EP0337156B1 (en) 1988-04-15 1989-03-18 Die spring construction

Country Status (8)

Country Link
US (1) US4844429A (en)
EP (1) EP0337156B1 (en)
JP (1) JP2735869B2 (en)
KR (1) KR0134885B1 (en)
AU (1) AU613732B2 (en)
BR (1) BR8901803A (en)
DE (1) DE68913324T2 (en)
ES (1) ES2049269T3 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027637A (en) * 1988-12-26 1991-07-02 Nhk Spring Co., Ltd. Die cushion for applying pressure to a press machine via gas pressurized push rods
CA2055917A1 (en) * 1990-12-14 1992-06-15 Bernard Joseph Wallis Gas die cylinders
US5197718A (en) * 1990-12-14 1993-03-30 Wallis Bernard J Self-contained gas springs interchangeable with coil springs
CA2085068A1 (en) * 1991-12-17 1993-06-18 John L. Vaphiadis Counterbalance actuator having an extended stroke
DE10000731B4 (en) * 2000-01-11 2005-05-25 Itw-Ateco Gmbh Air dampers for movably mounted parts, especially in automobiles
US6402128B1 (en) * 2000-01-31 2002-06-11 The Goodyear Tire And Rubber Company Air spring with lateral restraint and axial control
US6264178B1 (en) 2000-06-13 2001-07-24 The Goodyear Tire & Rubber Company Molded air sleeves
US6925923B2 (en) * 2001-10-05 2005-08-09 Hycorr Machine Corporation Rotary cutting die mounting system
US6942201B2 (en) * 2002-08-02 2005-09-13 Bfs Diversified Products, Llc Volume reducing bead plate for air spring
DE102004007332A1 (en) * 2004-02-14 2005-09-01 Continental Aktiengesellschaft Air spring for motor vehicle suspension systems comprises two support elements and a roller bellows whose outer surface is less adhesive than its inner surface
US7497423B2 (en) * 2004-11-04 2009-03-03 Bfs Diversified Products, Llc Extensible end member for gas spring assembly
DE102006046560A1 (en) * 2006-09-30 2008-04-03 Bayerische Motoren Werke Ag Air spring, in particular for the chassis of a vehicle
JP4750827B2 (en) * 2008-06-25 2011-08-17 カヤバ工業株式会社 Suspension device
TWI376472B (en) * 2010-01-29 2012-11-11 Panew Company Ltd Bellows-type shock-absorbing device
CN104428557B (en) 2012-07-12 2016-09-14 火石工业产品有限责任公司 Lateral support element, gas spring assembly and method
KR102033907B1 (en) 2018-04-09 2019-11-08 창해산업(주) Shock Absorber of Press
CN111661220A (en) * 2020-07-10 2020-09-15 河南省稳众汽车配件有限公司 Rear axle damping shock absorber of electric tricycle
CN115915680B (en) * 2023-03-08 2023-05-12 南京誉葆科技股份有限公司 Packaging structure of portable target detection radar system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US894117A (en) * 1907-06-24 1908-07-21 Frank M Thompson Pneumatic suspension means.
FR1161423A (en) * 1956-08-10 1958-08-29 Air spring
FR2216482A1 (en) * 1973-02-06 1974-08-30 Asea Ab
EP0262080A2 (en) * 1986-09-24 1988-03-30 The Goodyear Tire & Rubber Company Air spring with extensible fabric restraining cylinder
EP0268036A2 (en) * 1986-11-10 1988-05-25 The Firestone Tire & Rubber Company Die spring construction

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1205106A (en) * 1910-05-18 1916-11-14 Henry E Oxnard Expansible chamber.
US3157396A (en) * 1963-05-17 1964-11-17 Gen Motors Corp Shock absorber and air spring device
US3596895A (en) * 1969-04-14 1971-08-03 Goodyear Tire & Rubber Protective member
US4078722A (en) * 1976-10-28 1978-03-14 A. W. Cash Valve Manufacturing Corporation Relief valve
US4378935A (en) * 1979-03-08 1983-04-05 The Goodyear Tire & Rubber Company Rolling lobe airspring
US4294324A (en) * 1979-12-03 1981-10-13 Time Commercial Financing Corporation Cab suspension and restraining device
JPS59118837U (en) * 1983-01-29 1984-08-10 特許機器株式会社 air spring vibration absorber
DE3324648A1 (en) * 1983-07-08 1985-01-17 Fichtel & Sachs Ag, 8720 Schweinfurt LUBRICATION OF CONTACTING AREAS
JPS6116116A (en) * 1984-06-30 1986-01-24 Nhk Spring Co Ltd Suspension unit for car
US4664362A (en) * 1984-10-25 1987-05-12 Rantom, Inc. Gas spring
DE3519016A1 (en) * 1985-05-25 1986-12-04 Boge Gmbh, 5208 Eitorf AXIAL LOADABLE BEARING
US4688774A (en) * 1985-11-27 1987-08-25 Goodyear Tire & Rubber Company Side load compensating air suspension
GB2186050B (en) * 1986-01-30 1989-10-25 Nhk Spring Co Ltd Car suspension system
US4722516A (en) * 1986-09-24 1988-02-02 The Goodyear Tire & Rubber Company Air spring with fabric restraining cylinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US894117A (en) * 1907-06-24 1908-07-21 Frank M Thompson Pneumatic suspension means.
FR1161423A (en) * 1956-08-10 1958-08-29 Air spring
FR2216482A1 (en) * 1973-02-06 1974-08-30 Asea Ab
EP0262080A2 (en) * 1986-09-24 1988-03-30 The Goodyear Tire & Rubber Company Air spring with extensible fabric restraining cylinder
EP0268036A2 (en) * 1986-11-10 1988-05-25 The Firestone Tire & Rubber Company Die spring construction

Also Published As

Publication number Publication date
KR0134885B1 (en) 1998-06-15
DE68913324D1 (en) 1994-04-07
KR890015798A (en) 1989-11-25
EP0337156B1 (en) 1994-03-02
JPH01306099A (en) 1989-12-11
EP0337156A2 (en) 1989-10-18
DE68913324T2 (en) 1994-06-09
ES2049269T3 (en) 1994-04-16
AU613732B2 (en) 1991-08-08
JP2735869B2 (en) 1998-04-02
US4844429A (en) 1989-07-04
AU3242089A (en) 1989-10-19
BR8901803A (en) 1989-11-28

Similar Documents

Publication Publication Date Title
GB2218492B (en) Spring system
EP0337156A3 (en) Die spring construction
GB2231973B (en) Hologram construction
AU108402S (en) Accumulator
KR920006663B1 (en) Assembled ahsft
AU105058S (en) Sunlounger
EP0268036A3 (en) Die spring construction
IL92480A0 (en) Feature comparison
HUT51517A (en) Microshuttle spring
ZA895469B (en) Die assembly
CS216388A1 (en) Punch
CS816588A1 (en) Punch
GB8823700D0 (en) Improved die assembly
GB8807450D0 (en) Shaping device
GB9104101D0 (en) Die
PL274242A1 (en) Skineed well
CS323188A1 (en) Forming tool
GB8913194D0 (en) Die set
GB8814038D0 (en) Bar stamping
GB8814074D0 (en) Bar stamping
AU105960S (en) Gamesboard
BG46421A1 (en) Para- chanel registrator
AU105743S (en) Headerboard
AU104635S (en) Gamesboard
AU104910S (en) Lead-hook

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE ES FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE ES FR GB IT

17P Request for examination filed

Effective date: 19910109

17Q First examination report despatched

Effective date: 19930312

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BRIDGESTONE/FIRESTONE, INC.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

ITF It: translation for a ep patent filed

Owner name: STUDIO TORTA SOCIETA' SEMPLICE

REF Corresponds to:

Ref document number: 68913324

Country of ref document: DE

Date of ref document: 19940407

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2049269

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20020314

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030320

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20040302

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20030320

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050318

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051130

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20051130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20070202

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20070330

Year of fee payment: 19

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20080318

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080318